class ProductAD {
  ProductAD({String? id, String? productId, String? coverAddr, String? createTime, String? updateTime}) {
    _id = id;
    _productId = productId;
    _coverAddr = coverAddr;
    _createTime = createTime;
    _updateTime = updateTime;
  }

  ProductAD.fromJson(dynamic json) {
    _id = json['id'];
    _productId = json['productId'];
    _coverAddr = json['coverAddr'];
    _createTime = json['createTime'];
    _updateTime = json['updateTime'];
  }
  String? _id;
  String? _productId;
  String? _coverAddr;
  String? _createTime;
  String? _updateTime;

  String? get id => _id;
  String? get productId => _productId;
  String? get coverAddr => _coverAddr;
  String? get createTime => _createTime;
  String? get updateTime => _updateTime;

 set coverAddr(String? value) {_coverAddr = value;}

}